Product Information

MAX758ACWE+

Product Image X-ON

Datasheet
Voltage Regulators - Switching Regulators Adjustable PWM Step-Down Regulator
Manufacturer: Maxim



Price (Ex GST)

From 6.2364

0 - Global Stock

MOQ: 92 Multiples:46
Pack Size :   46
Availability Price Quantity
2264 - Global Stock


Ships to you between Wed. 21 Apr to Tue. 27 Apr

MOQ : 92
Multiples : 46
92 : $ 7.0983
184 : $ 6.718
276 : $ 6.6217
460 : $ 6.5254
920 : $ 6.4291
4600 : $ 6.3328
9200 : $ 6.2364

Buy
   
Manufacturer
Maxim
Product Category
Voltage Regulators - Switching Regulators
RoHS - XON
Y Icon ROHS
Topology
Buck
Input Voltage MAX
16 V
Switching Frequency
190 Khz
Output Voltage
4.75 v to 5.25 V
Output Current
750 mA
Number of Outputs
1 Output
Maximum Operating Temperature
+70 C
Mounting Style
Smd/Smt
Package / Case
SOIC-16 Wide
Height
2.35 Mm
Length
10.5 Mm
Packaging
Tube
Series
Max758a
Type
Voltage Converter
Width
7.6 Mm
Brand
Maxim Integrated
Input Voltage Min
4 V
Load Regulation
0.0005 %/Ma
Minimum Operating Temperature
0 C
Factory Pack Quantity :
46
LoadingGif
Image
Mfr. Part No.
Description
Stock
Voltage Regulators - Switching Regulators 12V- Inverting DC/DC Converter
111
Voltage Regulators - Switching Regulators 12V- Inverting DC/DC Converter
136
MAX761CPA DIL-8 ADJ STEP UP DC/DC CONVERTER
97
Voltage Regulators - Switching Regulators 12V- Inverting DC/DC Converter
430
Voltage Regulators - Switching Regulators Adjustable PWM Step-Down Regulator
17
Maxim Integrated Voltage Regulators - Switching Regulators Adjustable PWM Step-Down Regulator
73
Image
Mfr. Part No.
Description
Stock
MAX887HESA IC SMD SO8
90
Voltage Regulators - Switching Regulators 6A 125degC Power Modules
100
MAX638ACSA SO-8 PSU CIRCUITS VOLT REF
3

MAX750A/MAX758A 19-0195; Rev 0; 10/93 Adjustable, Step-Down, Current-Mode PWM Regulators _______________General Description ____________________________Features The MAX750A/MAX758A are adjustable-output, CMOS, ' Up to 750mA Load Currents step-down, DC-DC switching regulators. The ' 160kHz High-Frequency, Current-Mode PWM MAX758A accepts inputs from 4V to 16V and delivers ' 85% to 96% Efficiencies 750mA, while the MAX750A accepts inputs from 4V to ' 33?H or 100?H Pre-Selected Inductor Value, 11V and delivers 450mA. Typical efficiencies are 85% No Component Design Required to 90%. Typical quiescent current is 1.7mA, or only 6?A in shutdown mode. The output does not exhibit ' 1.7mA Quiescent Supply Current any ripple at subharmonics of the switching frequency ' 6?A Shutdown Supply Current over its specified range. ' Adjustable Output Voltage Pulse-width-modulation (PWM) current-mode control ' Overcurrent, Soft-Start, and Undervoltage provides precise output regulation and excellent tran- Lockout Protection sient responses. Output voltage accuracy is guaran- ' Cycle-by-Cycle Current Limiting teed to be ?4.5% plus feedback-resistor tolerance over line, load, and temperature variations. Fixed-frequency ' 8-Pin DIP/SO Packages (MAX750A) switching and absence of subharmonic ripple allows ______________Ordering Information easy filtering of output ripple and noise, as well as the use of small external components. These regulators PART TEMP. RANGE PIN-PACKAGE require only a single inductor value to work in most MAX750ACPA 0?C to +70?C 8 Plastic DIP applications, so no inductor design is necessary. MAX750ACSA 0?C to +70?C 8 SO MAX750AC/D 0?C to +70?C Dice* ________________________Applications MAX750AEPA -40?C to +85?C 8 Plastic DIP Cellular Phones & Radios MAX750AESA -40?C to +85?C 8 SO Portable Communications Equipment MAX750AMJA -55?C to +125?C 8 CERDIP** Portable Instruments Ordering Information continued on last page. Computer Peripherals * Contact factory for dice specifications. **Contact factory for availability and processing to MIL-STD-883. _________________Pin Configurations __________Typical Operating Circuit INPUT TOP VIEW 4V TO 16V OUTPUT ADJ. SHDN 1 8 V+ FROM REF 2 7 LX V+ 33?H VREF TO V+ MAX750A SS 3 LX 6 GND MAX758A CC 4 5 I.C. MAX750A DIP MAX758A ON/OFF SHDN CC 1 V+ SHDN 8 REF 2 LX 7 REF MAX750A SS 3 6 GND SS GND 4 CC 5 I.C. SO Pin Configurations continued on last page. ________________________________________________________________ Maxim Integrated Products 1 Call toll free 1-800-998-8800 for free samples or literature.MAX750A/MAX758A 19-0195; Rev 0; 10/93 Adjustable, Step-Down, Current-Mode PWM Regulators _______________General Description ____________________________Features The MAX750A/MAX758A are adjustable-output, CMOS, ' Up to 750mA Load Currents step-down, DC-DC switching regulators. The ' 160kHz High-Frequency, Current-Mode PWM MAX758A accepts inputs from 4V to 16V and delivers ' 85% to 96% Efficiencies 750mA, while the MAX750A accepts inputs from 4V to ' 33?H or 100?H Pre-Selected Inductor Value, 11V and delivers 450mA. Typical efficiencies are 85% No Component Design Required to 90%. Typical quiescent current is 1.7mA, or only 6?A in shutdown mode. The output does not exhibit ' 1.7mA Quiescent Supply Current any ripple at subharmonics of the switching frequency ' 6?A Shutdown Supply Current over its specified range. ' Adjustable Output Voltage Pulse-width-modulation (PWM) current-mode control ' Overcurrent, Soft-Start, and Undervoltage provides precise output regulation and excellent tran- Lockout Protection sient responses. Output voltage accuracy is guaran- ' Cycle-by-Cycle Current Limiting teed to be ?4.5% plus feedback-resistor tolerance over line, load, and temperature variations. Fixed-frequency ' 8-Pin DIP/SO Packages (MAX750A) switching and absence of subharmonic ripple allows ______________Ordering Information easy filtering of output ripple and noise, as well as the use of small external components. These regulators PART TEMP. RANGE PIN-PACKAGE require only a single inductor value to work in most MAX750ACPA 0?C to +70?C 8 Plastic DIP applications, so no inductor design is necessary. MAX750ACSA 0?C to +70?C 8 SO MAX750AC/D 0?C to +70?C Dice* ________________________Applications MAX750AEPA -40?C to +85?C 8 Plastic DIP Cellular Phones & Radios MAX750AESA -40?C to +85?C 8 SO Portable Communications Equipment MAX750AMJA -55?C to +125?C 8 CERDIP** Portable Instruments Ordering Information continued on last page. Computer Peripherals * Contact factory for dice specifications. **Contact factory for availability and processing to MIL-STD-883. _________________Pin Configurations __________Typical Operating Circuit INPUT TOP VIEW 4V TO 16V OUTPUT ADJ. SHDN 1 8 V+ FROM REF 2 7 LX V+ 33?H VREF TO V+ MAX750A SS 3 LX 6 GND MAX758A CC 4 5 I.C. MAX750A DIP MAX758A ON/OFF SHDN CC 1 V+ SHDN 8 REF 2 LX 7 REF MAX750A SS 3 6 GND SS GND 4 CC 5 I.C. SO Pin Configurations continued on last page. ________________________________________________________________ Maxim Integrated Products 1 Call toll free 1-800-998-8800 for free samples or literature.Adjustable, Step-Down, Current-Mode PWM Regulators ABSOLUTE MAXIMUM RATINGS Pin Voltages Operating Temperature Ranges: V+ (MAX750A).........................................................+12V, -0.3V MAX75_AC_ _ .......................................................0?C to +70?C V+ (MAX758A).........................................................+18V, -0.3V MAX75_AE_ _ ....................................................-40?C to +85?C LX (MAX750A) ....................................(V+ - 12V) to (V+ + 0.3V) MAX75_AMJA..................................................-55?C to +125?C LX (MAX758A) ....................................(V+ - 21V) to (V+ + 0.3V) Junction Temperatures: SS, CC, SHDN.............................................-0.3V to (V+ + 0.3V) MAX75_AC_ _/AE_ _......................................................+150?C Peak Switch Current (I ).........................................................2A LX MAX75_AMJA ................................................................+175?C Reference Current (I ) ...................................................2.5mA REF Storage Temperature Range .............................-65?C to +160?C Power Dissipation (T = +70?C) A Lead Temperature (soldering, 10sec) .............................+300?C 8-Pin Plastic DIP (derate 9.09mW/?C above +70?C) .....727mW 8-Pin SO (derate 5.88mW/?C above +70?C)..................471mW 16-Pin Wide SO (derate 9.52mW/?C above +70?C) ......762mW 8-Pin CERDIP (derate 8.00mW/?C above +70?C)..........640mW Stresses beyond those listed under ?Absolute Maximum Ratings? may cause permanent damage to the device. These are stress ratings only, and functional operation of the device at these or any other conditions beyond those indicated in the operational sections of the specifications is not implied. Exposure to absolute maximum rating conditions for extended periods may affect device reliability. ELECTRICAL CHARACTERISTICS (Circuit of Figure 3, V+ = 9V for the MAX750A, V+ = 12V for the MAX758A, V = 5V, R2 = 40.20k?, R3 = 13.0k?, I = 0mA, OUT LOAD T = T to T , unless otherwise noted.) A MIN MAX MAX750A MAX758A PARAMETER CONDITIONS UNITS MIN TYP MAX MIN TYP MAX V+ = 6.0V to 11.0V; 0mA < I < 450mA for MAX750AC, LOAD 4.75 5.00 5.25 0mA < I < 450mA for MAX750AE, LOAD 0mA < ILOAD < 300mA for MAX750AM Output Voltage V+ = 6.0V to 16.0V; V (Note 1) 0mA < I < 450mA for MAX758AC/AE, 4.75 5.00 5.25 LOAD 0mA < I < 350mA for MAX758AM LOAD V+ = 10.2V to 16.0V, 4.75 5.00 5.25 0mA < I < 750mA LOAD Input Voltage Range 4.0 11.0 4.0 16.0 V V+ = 4.0V to 11.0V 0.15 Line Regulation %/V V+ = 4.0V to 16.0V 0.15 I = 0mA to 450mA 0.0005 LOAD Load Regulation %/mA ILOAD = 0mA to 750mA 0.0005 V+ = 9.0V, I = 300mA 92 90 LOAD Efficiency % V+ = 12V, I = 750mA 87 LOAD Supply Current 1.7 3.0 1.7 3.0 mA Shutdown Supply SHDN = 0V 6.0 100.0 6.0 100.0 ?A Current (Note 2) VIH 2.0 2.0 Shutdown Input V Threshold V 0.25 0.25 IL Shutdown Input 1.0 1.0 ?A Leakage Current Short-Circuit Current 1.5 1.5 A 2 _______________________________________________________________________________________ MAX750A/MAX758AMAX750A/MAX758A 19-0195; Rev 0; 10/93 Adjustable, Step-Down, Current-Mode PWM Regulators _______________General Description ____________________________Features The MAX750A/MAX758A are adjustable-output, CMOS, ' Up to 750mA Load Currents step-down, DC-DC switching regulators. The ' 160kHz High-Frequency, Current-Mode PWM MAX758A accepts inputs from 4V to 16V and delivers ' 85% to 96% Efficiencies 750mA, while the MAX750A accepts inputs from 4V to ' 33?H or 100?H Pre-Selected Inductor Value, 11V and delivers 450mA. Typical efficiencies are 85% No Component Design Required to 90%. Typical quiescent current is 1.7mA, or only 6?A in shutdown mode. The output does not exhibit ' 1.7mA Quiescent Supply Current any ripple at subharmonics of the switching frequency ' 6?A Shutdown Supply Current over its specified range. ' Adjustable Output Voltage Pulse-width-modulation (PWM) current-mode control ' Overcurrent, Soft-Start, and Undervoltage provides precise output regulation and excellent tran- Lockout Protection sient responses. Output voltage accuracy is guaran- ' Cycle-by-Cycle Current Limiting teed to be ?4.5% plus feedback-resistor tolerance over line, load, and temperature variations. Fixed-frequency ' 8-Pin DIP/SO Packages (MAX750A) switching and absence of subharmonic ripple allows ______________Ordering Information easy filtering of output ripple and noise, as well as the use of small external components. These regulators PART TEMP. RANGE PIN-PACKAGE require only a single inductor value to work in most MAX750ACPA 0?C to +70?C 8 Plastic DIP applications, so no inductor design is necessary. MAX750ACSA 0?C to +70?C 8 SO MAX750AC/D 0?C to +70?C Dice* ________________________Applications MAX750AEPA -40?C to +85?C 8 Plastic DIP Cellular Phones & Radios MAX750AESA -40?C to +85?C 8 SO Portable Communications Equipment MAX750AMJA -55?C to +125?C 8 CERDIP** Portable Instruments Ordering Information continued on last page. Computer Peripherals * Contact factory for dice specifications. **Contact factory for availability and processing to MIL-STD-883. _________________Pin Configurations __________Typical Operating Circuit INPUT TOP VIEW 4V TO 16V OUTPUT ADJ. SHDN 1 8 V+ FROM REF 2 7 LX V+ 33?H VREF TO V+ MAX750A SS 3 LX 6 GND MAX758A CC 4 5 I.C. MAX750A DIP MAX758A ON/OFF SHDN CC 1 V+ SHDN 8 REF 2 LX 7 REF MAX750A SS 3 6 GND SS GND 4 CC 5 I.C. SO Pin Configurations continued on last page. ________________________________________________________________ Maxim Integrated Products 1 Call toll free 1-800-998-8800 for free samples or literature.MAX750A/MAX758A 19-0195; Rev 0; 10/93 Adjustable, Step-Down, Current-Mode PWM Regulators _______________General Description ____________________________Features The MAX750A/MAX758A are adjustable-output, CMOS, ' Up to 750mA Load Currents step-down, DC-DC switching regulators. The ' 160kHz High-Frequency, Current-Mode PWM MAX758A accepts inputs from 4V to 16V and delivers ' 85% to 96% Efficiencies 750mA, while the MAX750A accepts inputs from 4V to ' 33?H or 100?H Pre-Selected Inductor Value, 11V and delivers 450mA. Typical efficiencies are 85% No Component Design Required to 90%. Typical quiescent current is 1.7mA, or only 6?A in shutdown mode. The output does not exhibit ' 1.7mA Quiescent Supply Current any ripple at subharmonics of the switching frequency ' 6?A Shutdown Supply Current over its specified range. ' Adjustable Output Voltage Pulse-width-modulation (PWM) current-mode control ' Overcurrent, Soft-Start, and Undervoltage provides precise output regulation and excellent tran- Lockout Protection sient responses. Output voltage accuracy is guaran- ' Cycle-by-Cycle Current Limiting teed to be ?4.5% plus feedback-resistor tolerance over line, load, and temperature variations. Fixed-frequency ' 8-Pin DIP/SO Packages (MAX750A) switching and absence of subharmonic ripple allows ______________Ordering Information easy filtering of output ripple and noise, as well as the use of small external components. These regulators PART TEMP. RANGE PIN-PACKAGE require only a single inductor value to work in most MAX750ACPA 0?C to +70?C 8 Plastic DIP applications, so no inductor design is necessary. MAX750ACSA 0?C to +70?C 8 SO MAX750AC/D 0?C to +70?C Dice* ________________________Applications MAX750AEPA -40?C to +85?C 8 Plastic DIP Cellular Phones & Radios MAX750AESA -40?C to +85?C 8 SO Portable Communications Equipment MAX750AMJA -55?C to +125?C 8 CERDIP** Portable Instruments Ordering Information continued on last page. Computer Peripherals * Contact factory for dice specifications. **Contact factory for availability and processing to MIL-STD-883. _________________Pin Configurations __________Typical Operating Circuit INPUT TOP VIEW 4V TO 16V OUTPUT ADJ. SHDN 1 8 V+ FROM REF 2 7 LX V+ 33?H VREF TO V+ MAX750A SS 3 LX 6 GND MAX758A CC 4 5 I.C. MAX750A DIP MAX758A ON/OFF SHDN CC 1 V+ SHDN 8 REF 2 LX 7 REF MAX750A SS 3 6 GND SS GND 4 CC 5 I.C. SO Pin Configurations continued on last page. ________________________________________________________________ Maxim Integrated Products 1 Call toll free 1-800-998-8800 for free samples or literature.Adjustable, Step-Down, Current-Mode PWM Regulators ABSOLUTE MAXIMUM RATINGS Pin Voltages Operating Temperature Ranges: V+ (MAX750A).........................................................+12V, -0.3V MAX75_AC_ _ .......................................................0?C to +70?C V+ (MAX758A).........................................................+18V, -0.3V MAX75_AE_ _ ....................................................-40?C to +85?C LX (MAX750A) ....................................(V+ - 12V) to (V+ + 0.3V) MAX75_AMJA..................................................-55?C to +125?C LX (MAX758A) ....................................(V+ - 21V) to (V+ + 0.3V) Junction Temperatures: SS, CC, SHDN.............................................-0.3V to (V+ + 0.3V) MAX75_AC_ _/AE_ _......................................................+150?C Peak Switch Current (I ).........................................................2A LX MAX75_AMJA ................................................................+175?C Reference Current (I ) ...................................................2.5mA REF Storage Temperature Range .............................-65?C to +160?C Power Dissipation (T = +70?C) A Lead Temperature (soldering, 10sec) .............................+300?C 8-Pin Plastic DIP (derate 9.09mW/?C above +70?C) .....727mW 8-Pin SO (derate 5.88mW/?C above +70?C)..................471mW 16-Pin Wide SO (derate 9.52mW/?C above +70?C) ......762mW 8-Pin CERDIP (derate 8.00mW/?C above +70?C)..........640mW Stresses beyond those listed under ?Absolute Maximum Ratings? may cause permanent damage to the device. These are stress ratings only, and functional operation of the device at these or any other conditions beyond those indicated in the operational sections of the specifications is not implied. Exposure to absolute maximum rating conditions for extended periods may affect device reliability. ELECTRICAL CHARACTERISTICS (Circuit of Figure 3, V+ = 9V for the MAX750A, V+ = 12V for the MAX758A, V = 5V, R2 = 40.20kO, R3 = 13.0kO, I = 0mA, OUT LOAD T = T to T , unless otherwise noted.) A MIN MAX MAX750A MAX758A PARAMETER CONDITIONS UNITS MIN TYP MAX MIN TYP MAX V+ = 6.0V to 11.0V; 0mA < I < 450mA for MAX750AC, LOAD 4.75 5.00 5.25 0mA < I < 450mA for MAX750AE, LOAD 0mA < ILOAD < 300mA for MAX750AM Output Voltage V+ = 6.0V to 16.0V; V (Note 1) 0mA < I < 450mA for MAX758AC/AE, 4.75 5.00 5.25 LOAD 0mA < I < 350mA for MAX758AM LOAD V+ = 10.2V to 16.0V, 4.75 5.00 5.25 0mA < I < 750mA LOAD Input Voltage Range 4.0 11.0 4.0 16.0 V V+ = 4.0V to 11.0V 0.15 Line Regulation %/V V+ = 4.0V to 16.0V 0.15 I = 0mA to 450mA 0.0005 LOAD Load Regulation %/mA ILOAD = 0mA to 750mA 0.0005 V+ = 9.0V, I = 300mA 92 90 LOAD Efficiency % V+ = 12V, I = 750mA 87 LOAD Supply Current 1.7 3.0 1.7 3.0 mA Shutdown Supply SHDN = 0V 6.0 100.0 6.0 100.0 ?A Current (Note 2) VIH 2.0 2.0 Shutdown Input V Threshold V 0.25 0.25 IL Shutdown Input 1.0 1.0 ?A Leakage Current Short-Circuit Current 1.5 1.5 A 2 _______________________________________________________________________________________ MAX750A/MAX758AMAX750A/MAX758A Adjustable, Step-Down, Current-Mode PWM Regulators ELECTRICAL CHARACTERISTICS (continued) (Circuit of Figure 3, V+ = 9V for the MAX750A, V+ = 12V for the MAX758A, V = 5V, R2 = 40.20k?, R3 = 13.0k?, I = 0mA, OUT LOAD T = T to T , unless otherwise noted.) A MIN MAX MAX750A MAX758A PARAMETER CONDITIONS UNITS MIN TYP MAX MIN TYP MAX V+ rising 3.75 4.00 3.75 4.00 Undervoltage V Lockout V+ falling 3.5 3.5 LX On Resistance ILX = 500mA 0.5 0.5 ? LX Leakage Current 1.0 1.0 ?A Reference Voltage T = +25?C 1.15 1.22 1.30 1.15 1.22 1.30 V A Reference Drift 50 50 ppm/?C Oscillator Frequency 130 170 210 130 160 190 kHz Compensation Pin 7500 7500 ? Impedance Note 1: Output voltage tolerance over temperature is ?4.5% plus the tolerances of R3 and R4 in Figure 3. Note 2: The standby current typically settles to 25?A (over temperature) within 2 seconds; however, to decrease test time, the part is guaranteed at a 100?A maximum value. __________________________________________Typical Operating Characteristics (Circuit of Figure 3, V = 5V, T = +25?C, unless otherwise noted.) OUT A MAX750A MAX758A EFFICIENCY vs. OUTPUT CURRENT EFFICIENCY vs. OUTPUT CURRENT 100 100 (NOTES 3, 6) (NOTES 3, 6) 90 90 V+ = 5.5V 80 80 V+ = 6V V+ = 7V V+ = 8V V+ = 9V V+ = 12V 70 70 V+ = 11V V+ = 16V 60 60 0 200 400 600 800 1000 0 200 400 600 800 1000 OUTPUT CURRENT (mA) OUTPUT CURRENT (mA) _______________________________________________________________________________________ 3 EFFICIENCY (%) MAX750A/58A-1 EFFICIENCY (%) MAX750A/58A-2MAX750A/MAX758A 19-0195; Rev 0; 10/93 Adjustable, Step-Down, Current-Mode PWM Regulators _______________General Description ____________________________Features The MAX750A/MAX758A are adjustable-output, CMOS, ' Up to 750mA Load Currents step-down, DC-DC switching regulators. The ' 160kHz High-Frequency, Current-Mode PWM MAX758A accepts inputs from 4V to 16V and delivers ' 85% to 96% Efficiencies 750mA, while the MAX750A accepts inputs from 4V to ' 33?H or 100?H Pre-Selected Inductor Value, 11V and delivers 450mA. Typical efficiencies are 85% No Component Design Required to 90%. Typical quiescent current is 1.7mA, or only 6?A in shutdown mode. The output does not exhibit ' 1.7mA Quiescent Supply Current any ripple at subharmonics of the switching frequency ' 6?A Shutdown Supply Current over its specified range. ' Adjustable Output Voltage Pulse-width-modulation (PWM) current-mode control ' Overcurrent, Soft-Start, and Undervoltage provides precise output regulation and excellent tran- Lockout Protection sient responses. Output voltage accuracy is guaran- ' Cycle-by-Cycle Current Limiting teed to be ?4.5% plus feedback-resistor tolerance over line, load, and temperature variations. Fixed-frequency ' 8-Pin DIP/SO Packages (MAX750A) switching and absence of subharmonic ripple allows ______________Ordering Information easy filtering of output ripple and noise, as well as the use of small external components. These regulators PART TEMP. RANGE PIN-PACKAGE require only a single inductor value to work in most MAX750ACPA 0?C to +70?C 8 Plastic DIP applications, so no inductor design is necessary. MAX750ACSA 0?C to +70?C 8 SO MAX750AC/D 0?C to +70?C Dice* ________________________Applications MAX750AEPA -40?C to +85?C 8 Plastic DIP Cellular Phones & Radios MAX750AESA -40?C to +85?C 8 SO Portable Communications Equipment MAX750AMJA -55?C to +125?C 8 CERDIP** Portable Instruments Ordering Information continued on last page. Computer Peripherals * Contact factory for dice specifications. **Contact factory for availability and processing to MIL-STD-883. _________________Pin Configurations __________Typical Operating Circuit INPUT TOP VIEW 4V TO 16V OUTPUT ADJ. SHDN 1 8 V+ FROM REF 2 7 LX V+ 33?H VREF TO V+ MAX750A SS 3 LX 6 GND MAX758A CC 4 5 I.C. MAX750A DIP MAX758A ON/OFF SHDN CC 1 V+ SHDN 8 REF 2 LX 7 REF MAX750A SS 3 6 GND SS GND 4 CC 5 I.C. SO Pin Configurations continued on last page. ________________________________________________________________ Maxim Integrated Products 1 Call toll free 1-800-998-8800 for free samples or literature.MAX750A/MAX758A 19-0195; Rev 0; 10/93 Adjustable, Step-Down, Current-Mode PWM Regulators _______________General Description ____________________________Features The MAX750A/MAX758A are adjustable-output, CMOS, ' Up to 750mA Load Currents step-down, DC-DC switching regulators. The ' 160kHz High-Frequency, Current-Mode PWM MAX758A accepts inputs from 4V to 16V and delivers ' 85% to 96% Efficiencies 750mA, while the MAX750A accepts inputs from 4V to ' 33?H or 100?H Pre-Selected Inductor Value, 11V and delivers 450mA. Typical efficiencies are 85% No Component Design Required to 90%. Typical quiescent current is 1.7mA, or only 6?A in shutdown mode. The output does not exhibit ' 1.7mA Quiescent Supply Current any ripple at subharmonics of the switching frequency ' 6?A Shutdown Supply Current over its specified range. ' Adjustable Output Voltage Pulse-width-modulation (PWM) current-mode control ' Overcurrent, Soft-Start, and Undervoltage provides precise output regulation and excellent tran- Lockout Protection sient responses. Output voltage accuracy is guaran- ' Cycle-by-Cycle Current Limiting teed to be ?4.5% plus feedback-resistor tolerance over line, load, and temperature variations. Fixed-frequency ' 8-Pin DIP/SO Packages (MAX750A) switching and absence of subharmonic ripple allows ______________Ordering Information easy filtering of output ripple and noise, as well as the use of small external components. These regulators PART TEMP. RANGE PIN-PACKAGE require only a single inductor value to work in most MAX750ACPA 0?C to +70?C 8 Plastic DIP applications, so no inductor design is necessary. MAX750ACSA 0?C to +70?C 8 SO MAX750AC/D 0?C to +70?C Dice* ________________________Applications MAX750AEPA -40?C to +85?C 8 Plastic DIP Cellular Phones & Radios MAX750AESA -40?C to +85?C 8 SO Portable Communications Equipment MAX750AMJA -55?C to +125?C 8 CERDIP** Portable Instruments Ordering Information continued on last page. Computer Peripherals * Contact factory for dice specifications. **Contact factory for availability and processing to MIL-STD-883. _________________Pin Configurations __________Typical Operating Circuit INPUT TOP VIEW 4V TO 16V OUTPUT ADJ. SHDN 1 8 V+ FROM REF 2 7 LX V+ 33?H VREF TO V+ MAX750A SS 3 LX 6 GND MAX758A CC 4 5 I.C. MAX750A DIP MAX758A ON/OFF SHDN CC 1 V+ SHDN 8 REF 2 LX 7 REF MAX750A SS 3 6 GND SS GND 4 CC 5 I.C. SO Pin Configurations continued on last page. ________________________________________________________________ Maxim Integrated Products 1 Call toll free 1-800-998-8800 for free samples or literature.Adjustable, Step-Down, Current-Mode PWM Regulators ABSOLUTE MAXIMUM RATINGS Pin Voltages Operating Temperature Ranges: V+ (MAX750A).........................................................+12V, -0.3V MAX75_AC_ _ .......................................................0?C to +70?C V+ (MAX758A).........................................................+18V, -0.3V MAX75_AE_ _ ....................................................-40?C to +85?C LX (MAX750A) ....................................(V+ - 12V) to (V+ + 0.3V) MAX75_AMJA..................................................-55?C to +125?C LX (MAX758A) ....................................(V+ - 21V) to (V+ + 0.3V) Junction Temperatures: SS, CC, SHDN.............................................-0.3V to (V+ + 0.3V) MAX75_AC_ _/AE_ _......................................................+150?C Peak Switch Current (I ).........................................................2A LX MAX75_AMJA ................................................................+175?C Reference Current (I ) ...................................................2.5mA REF Storage Temperature Range .............................-65?C to +160?C Power Dissipation (T = +70?C) A Lead Temperature (soldering, 10sec) .............................+300?C 8-Pin Plastic DIP (derate 9.09mW/?C above +70?C) .....727mW 8-Pin SO (derate 5.88mW/?C above +70?C)..................471mW 16-Pin Wide SO (derate 9.52mW/?C above +70?C) ......762mW 8-Pin CERDIP (derate 8.00mW/?C above +70?C)..........640mW Stresses beyond those listed under ?Absolute Maximum Ratings? may cause permanent damage to the device. These are stress ratings only, and functional operation of the device at these or any other conditions beyond those indicated in the operational sections of the specifications is not implied. Exposure to absolute maximum rating conditions for extended periods may affect device reliability. ELECTRICAL CHARACTERISTICS (Circuit of Figure 3, V+ = 9V for the MAX750A, V+ = 12V for the MAX758A, V = 5V, R2 = 40.20kO, R3 = 13.0kO, I = 0mA, OUT LOAD T = T to T , unless otherwise noted.) A MIN MAX MAX750A MAX758A PARAMETER CONDITIONS UNITS MIN TYP MAX MIN TYP MAX V+ = 6.0V to 11.0V; 0mA < I < 450mA for MAX750AC, LOAD 4.75 5.00 5.25 0mA < I < 450mA for MAX750AE, LOAD 0mA < ILOAD < 300mA for MAX750AM Output Voltage V+ = 6.0V to 16.0V; V (Note 1) 0mA < I < 450mA for MAX758AC/AE, 4.75 5.00 5.25 LOAD 0mA < I < 350mA for MAX758AM LOAD V+ = 10.2V to 16.0V, 4.75 5.00 5.25 0mA < I < 750mA LOAD Input Voltage Range 4.0 11.0 4.0 16.0 V V+ = 4.0V to 11.0V 0.15 Line Regulation %/V V+ = 4.0V to 16.0V 0.15 I = 0mA to 450mA 0.0005 LOAD Load Regulation %/mA ILOAD = 0mA to 750mA 0.0005 V+ = 9.0V, I = 300mA 92 90 LOAD Efficiency % V+ = 12V, I = 750mA 87 LOAD Supply Current 1.7 3.0 1.7 3.0 mA Shutdown Supply SHDN = 0V 6.0 100.0 6.0 100.0 ?A Current (Note 2) VIH 2.0 2.0 Shutdown Input V Threshold V 0.25 0.25 IL Shutdown Input 1.0 1.0 ?A Leakage Current Short-Circuit Current 1.5 1.5 A 2 _______________________________________________________________________________________ MAX750A/MAX758AMAX750A/MAX758A 19-0195; Rev 0; 10/93 Adjustable, Step-Down, Current-Mode PWM Regulators _______________General Description ____________________________Features The MAX750A/MAX758A are adjustable-output, CMOS, ' Up to 750mA Load Currents step-down, DC-DC switching regulators. The ' 160kHz High-Frequency, Current-Mode PWM MAX758A accepts inputs from 4V to 16V and delivers ' 85% to 96% Efficiencies 750mA, while the MAX750A accepts inputs from 4V to ' 33?H or 100?H Pre-Selected Inductor Value, 11V and delivers 450mA. Typical efficiencies are 85% No Component Design Required to 90%. Typical quiescent current is 1.7mA, or only 6?A in shutdown mode. The output does not exhibit ' 1.7mA Quiescent Supply Current any ripple at subharmonics of the switching frequency ' 6?A Shutdown Supply Current over its specified range. ' Adjustable Output Voltage Pulse-width-modulation (PWM) current-mode control ' Overcurrent, Soft-Start, and Undervoltage provides precise output regulation and excellent tran- Lockout Protection sient responses. Output voltage accuracy is guaran- ' Cycle-by-Cycle Current Limiting teed to be ?4.5% plus feedback-resistor tolerance over line, load, and temperature variations. Fixed-frequency ' 8-Pin DIP/SO Packages (MAX750A) switching and absence of subharmonic ripple allows ______________Ordering Information easy filtering of output ripple and noise, as well as the use of small external components. These regulators PART TEMP. RANGE PIN-PACKAGE require only a single inductor value to work in most MAX750ACPA 0?C to +70?C 8 Plastic DIP applications, so no inductor design is necessary. MAX750ACSA 0?C to +70?C 8 SO MAX750AC/D 0?C to +70?C Dice* ________________________Applications MAX750AEPA -40?C to +85?C 8 Plastic DIP Cellular Phones & Radios MAX750AESA -40?C to +85?C 8 SO Portable Communications Equipment MAX750AMJA -55?C to +125?C 8 CERDIP** Portable Instruments Ordering Information continued on last page. Computer Peripherals * Contact factory for dice specifications. **Contact factory for availability and processing to MIL-STD-883. _________________Pin Configurations __________Typical Operating Circuit INPUT TOP VIEW 4V TO 16V OUTPUT ADJ. SHDN 1 8 V+ FROM REF 2 7 LX V+ 33?H VREF TO V+ MAX750A SS 3 LX 6 GND MAX758A CC 4 5 I.C. MAX750A DIP MAX758A ON/OFF SHDN CC 1 V+ SHDN 8 REF 2 LX 7 REF MAX750A SS 3 6 GND SS GND 4 CC 5 I.C. SO Pin Configurations continued on last page. ________________________________________________________________ Maxim Integrated Products 1 Call toll free 1-800-998-8800 for free samples or literature.MAX750A/MAX758A 19-0195; Rev 0; 10/93 Adjustable, Step-Down, Current-Mode PWM Regulators _______________General Description ____________________________Features The MAX750A/MAX758A are adjustable-output, CMOS, ' Up to 750mA Load Currents step-down, DC-DC switching regulators. The ' 160kHz High-Frequency, Current-Mode PWM MAX758A accepts inputs from 4V to 16V and delivers ' 85% to 96% Efficiencies 750mA, while the MAX750A accepts inputs from 4V to ' 33?H or 100?H Pre-Selected Inductor Value, 11V and delivers 450mA. Typical efficiencies are 85% No Component Design Required to 90%. Typical quiescent current is 1.7mA, or only 6?A in shutdown mode. The output does not exhibit ' 1.7mA Quiescent Supply Current any ripple at subharmonics of the switching frequency ' 6?A Shutdown Supply Current over its specified range. ' Adjustable Output Voltage Pulse-width-modulation (PWM) current-mode control ' Overcurrent, Soft-Start, and Undervoltage provides precise output regulation and excellent tran- Lockout Protection sient responses. Output voltage accuracy is guaran- ' Cycle-by-Cycle Current Limiting teed to be ?4.5% plus feedback-resistor tolerance over line, load, and temperature variations. Fixed-frequency ' 8-Pin DIP/SO Packages (MAX750A) switching and absence of subharmonic ripple allows ______________Ordering Information easy filtering of output ripple and noise, as well as the use of small external components. These regulators PART TEMP. RANGE PIN-PACKAGE require only a single inductor value to work in most MAX750ACPA 0?C to +70?C 8 Plastic DIP applications, so no inductor design is necessary. MAX750ACSA 0?C to +70?C 8 SO MAX750AC/D 0?C to +70?C Dice* ________________________Applications MAX750AEPA -40?C to +85?C 8 Plastic DIP Cellular Phones & Radios MAX750AESA -40?C to +85?C 8 SO Portable Communications Equipment MAX750AMJA -55?C to +125?C 8 CERDIP** Portable Instruments Ordering Information continued on last page. Computer Peripherals * Contact factory for dice specifications. **Contact factory for availability and processing to MIL-STD-883. _________________Pin Configurations __________Typical Operating Circuit INPUT TOP VIEW 4V TO 16V OUTPUT ADJ. SHDN 1 8 V+ FROM REF 2 7 LX V+ 33?H VREF TO V+ MAX750A SS 3 LX 6 GND MAX758A CC 4 5 I.C. MAX750A DIP MAX758A ON/OFF SHDN CC 1 V+ SHDN 8 REF 2 LX 7 REF MAX750A SS 3 6 GND SS GND 4 CC 5 I.C. SO Pin Configurations continued on last page. ________________________________________________________________ Maxim Integrated Products 1 Call toll free 1-800-998-8800 for free samples or literature.Adjustable, Step-Down, Current-Mode PWM Regulators ABSOLUTE MAXIMUM RATINGS Pin Voltages Operating Temperature Ranges: V+ (MAX750A).........................................................+12V, -0.3V MAX75_AC_ _ .......................................................0?C to +70?C V+ (MAX758A).........................................................+18V, -0.3V MAX75_AE_ _ ....................................................-40?C to +85?C LX (MAX750A) ....................................(V+ - 12V) to (V+ + 0.3V) MAX75_AMJA..................................................-55?C to +125?C LX (MAX758A) ....................................(V+ - 21V) to (V+ + 0.3V) Junction Temperatures: SS, CC, SHDN.............................................-0.3V to (V+ + 0.3V) MAX75_AC_ _/AE_ _......................................................+150?C Peak Switch Current (I ).........................................................2A LX MAX75_AMJA ................................................................+175?C Reference Current (I ) ...................................................2.5mA REF Storage Temperature Range .............................-65?C to +160?C Power Dissipation (T = +70?C) A Lead Temperature (soldering, 10sec) .............................+300?C 8-Pin Plastic DIP (derate 9.09mW/?C above +70?C) .....727mW 8-Pin SO (derate 5.88mW/?C above +70?C)..................471mW 16-Pin Wide SO (derate 9.52mW/?C above +70?C) ......762mW 8-Pin CERDIP (derate 8.00mW/?C above +70?C)..........640mW Stresses beyond those listed under ?Absolute Maximum Ratings? may cause permanent damage to the device. These are stress ratings only, and functional operation of the device at these or any other conditions beyond those indicated in the operational sections of the specifications is not implied. Exposure to absolute maximum rating conditions for extended periods may affect device reliability. ELECTRICAL CHARACTERISTICS (Circuit of Figure 3, V+ = 9V for the MAX750A, V+ = 12V for the MAX758A, V = 5V, R2 = 40.20kO, R3 = 13.0kO, I = 0mA, OUT LOAD T = T to T , unless otherwise noted.) A MIN MAX MAX750A MAX758A PARAMETER CONDITIONS UNITS MIN TYP MAX MIN TYP MAX V+ = 6.0V to 11.0V; 0mA < I < 450mA for MAX750AC, LOAD 4.75 5.00 5.25 0mA < I < 450mA for MAX750AE, LOAD 0mA < ILOAD < 300mA for MAX750AM Output Voltage V+ = 6.0V to 16.0V; V (Note 1) 0mA < I < 450mA for MAX758AC/AE, 4.75 5.00 5.25 LOAD 0mA < I < 350mA for MAX758AM LOAD V+ = 10.2V to 16.0V, 4.75 5.00 5.25 0mA < I < 750mA LOAD Input Voltage Range 4.0 11.0 4.0 16.0 V V+ = 4.0V to 11.0V 0.15 Line Regulation %/V V+ = 4.0V to 16.0V 0.15 I = 0mA to 450mA 0.0005 LOAD Load Regulation %/mA ILOAD = 0mA to 750mA 0.0005 V+ = 9.0V, I = 300mA 92 90 LOAD Efficiency % V+ = 12V, I = 750mA 87 LOAD Supply Current 1.7 3.0 1.7 3.0 mA Shutdown Supply SHDN = 0V 6.0 100.0 6.0 100.0 ?A Current (Note 2) VIH 2.0 2.0 Shutdown Input V Threshold V 0.25 0.25 IL Shutdown Input 1.0 1.0 ?A Leakage Current Short-Circuit Current 1.5 1.5 A 2 _______________________________________________________________________________________ MAX750A/MAX758AMAX750A/MAX758A Adjustable, Step-Down, Current-Mode PWM Regulators ELECTRICAL CHARACTERISTICS (continued) (Circuit of Figure 3, V+ = 9V for the MAX750A, V+ = 12V for the MAX758A, V = 5V, R2 = 40.20kO, R3 = 13.0kO, I = 0mA, OUT LOAD T = T to T , unless otherwise noted.) A MIN MAX MAX750A MAX758A PARAMETER CONDITIONS UNITS MIN TYP MAX MIN TYP MAX V+ rising 3.75 4.00 3.75 4.00 Undervoltage V Lockout V+ falling 3.5 3.5 LX On Resistance ILX = 500mA 0.5 0.5 O LX Leakage Current 1.0 1.0 ?A Reference Voltage T = +25?C 1.15 1.22 1.30 1.15 1.22 1.30 V A Reference Drift 50 50 ppm/?C Oscillator Frequency 130 170 210 130 160 190 kHz Compensation Pin 7500 7500 O Impedance Note 1: Output voltage tolerance over temperature is ?4.5% plus the tolerances of R3 and R4 in Figure 3. Note 2: The standby current typically settles to 25?A (over temperature) within 2 seconds; however, to decrease test time, the part is guaranteed at a 100?A maximum value. __________________________________________Typical Operating Characteristics (Circuit of Figure 3, V = 5V, T = +25?C, unless otherwise noted.) OUT A MAX750A MAX758A EFFICIENCY vs. OUTPUT CURRENT EFFICIENCY vs. OUTPUT CURRENT 100 100 (NOTES 3, 6) (NOTES 3, 6) 90 90 V+ = 5.5V 80 80 V+ = 6V V+ = 7V V+ = 8V V+ = 9V V+ = 12V 70 70 V+ = 11V V+ = 16V 60 60 0 200 400 600 800 1000 0 200 400 600 800 1000 OUTPUT CURRENT (mA) OUTPUT CURRENT (mA) _______________________________________________________________________________________ 3 EFFICIENCY (%) MAX750A/58A-1 EFFICIENCY (%) MAX750A/58A-2

Tariff Concession Code
Tariff Desc

Free
8542.31.00 51 No ..Application Specific (Digital) Integrated Circuits (ASIC)

Electronic integrated circuits: Processors and controllers, whether or not combined with memories, converters, logic circuits, amplifiers, clock and timing circuits, or other circuits
Monolithic integrated circuits:
MAXIM
Maxim Integrated
Maxim Integrated Products
MAXIM-DALLAS
MX4